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18NM NW Galveston TX

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 12:21 am CST Mar 5, 2026
Forecast Valid: 2am CST Mar 5, 2026-6pm CDT Mar 11, 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CST THURSDAY...

Thursday

SE wind 10 to 15 kt. Patchy dense fog before 7am. Seas around 1 ft.

Thursday Night

SE wind around 10 kt. Patchy fog before 4am, then Patchy fog after 5am. Seas around 1 ft.

Friday

SSE wind 10 to 15 kt. A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Seas around 1 ft.

Friday Night

SSE wind around 10 kt. A slight chance of showers and thunderstorms. Seas around 1 ft.

Saturday

SSE wind around 10 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Seas around 1 ft.

Saturday Night

SE wind 5 to 10 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Sunday

Variable winds 5 kt or less. Showers, with thunderstorms also possible after noon. Seas 1 ft or less.

Sunday Night

Variable winds 5 kt or less. A slight chance of showers. Seas 1 ft or less.

Monday

SSE wind 5 to 10 kt. A chance of showers. Seas 1 ft or less.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.